What are some of the main obstacles to a faster, more efficient U$.$S$.$ payments system?

Instructions: In order to receive full credit, you must make a selection for each option. For correct answer$($s$),$ click the box once to place a check mark. For incorrect answer$($s$),$ click the option twice to empty the box.

$3$ heavy reliance on checks

$?$ security issues

a outdated technologies

large and powerful firms that profit from the current system

heavy reliance on credit cards

$?$ network exterhalities related to payments systems

$?$ the fact that cash transactions tend to be slower than other kinds of payment

legal frameworks that promote check usage